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- // MIR for `hello` before ConstProp
+ // MIR for `hello` after ConstProp
fn hello() -> () {
let mut _0: (); // return place in scope 0 at $DIR/control-flow-simplification.rs:11:14: 11:14
let mut _1: bool; // in scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21
let mut _2: !; // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
bb0: {
StorageLive(_1); // scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21
- _1 = const <bool as NeedsDrop>::NEEDS; // scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21
+ _1 = const false; // scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21
// ty::Const
// + ty: bool
- // + val: Unevaluated(DefId(0:4 ~ control_flow_simplification[317d]::NeedsDrop[0]::NEEDS[0]), [bool], None)
+ // + val: Value(Scalar(0x00))
// mir::Constant
// + span: $DIR/control-flow-simplification.rs:12:8: 12:21
- // + literal: Const { ty: bool, val: Unevaluated(DefId(0:4 ~ control_flow_simplification[317d]::NeedsDrop[0]::NEEDS[0]), [bool], None) }
- switchInt(_1) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6
+ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) }
+ switchInt(const false) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6
+ // ty::Const
+ // + ty: bool
+ // + val: Value(Scalar(0x00))
+ // mir::Constant
+ // + span: $DIR/control-flow-simplification.rs:12:5: 14:6
+ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) }
}
bb1: {
_0 = const (); // scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6
// ty::Const
// + ty: ()
// + val: Value(Scalar(<ZST>))
// mir::Constant
// + span: $DIR/control-flow-simplification.rs:12:5: 14:6
// + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
StorageDead(_1); // scope 0 at $DIR/control-flow-simplification.rs:15:1: 15:2
return; // scope 0 at $DIR/control-flow-simplification.rs:15:2: 15:2
}
bb2: {
StorageLive(_2); // scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
const std::rt::begin_panic::<&str>(const "explicit panic"); // scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
// ty::Const
// + ty: fn(&str) -> ! {std::rt::begin_panic::<&str>}
// + val: Value(Scalar(<ZST>))
// mir::Constant
// + span: $SRC_DIR/libstd/macros.rs:LL:COL
// + literal: Const { ty: fn(&str) -> ! {std::rt::begin_panic::<&str>}, val: Value(Scalar(<ZST>)) }
// ty::Const
// + ty: &str
// + val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 })
// mir::Constant
// + span: $SRC_DIR/libstd/macros.rs:LL:COL
// + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) }
}
}
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